Simultaneous Nadir Overpasses (SNOs) between NPP and TERRA
TLE Epoch: 2012 3 1.  Predictions up to the next  14.0 days:

     Date     Time(NPP)   NPP Lat/Lon  TERRA Lat/Lon    Distance(km)  Time Diff(sec)
 03/01/2012   19:12:24   ( -68.38,  70.33) ( -68.38,  70.34)    0.53                51
 03/01/2012   20:03:07   (  68.21,-122.15) (  68.22,-122.20)    2.49                24
 03/01/2012   20:53:34   ( -67.31,  46.28) ( -67.38,  44.46)   78.16                68
 03/04/2012   10:38:54   (  69.35,  17.47) (  69.24,  19.67)   87.51                67
 03/04/2012   11:29:19   ( -68.34,-173.85) ( -68.35,-173.82)    1.73                26
 03/04/2012   12:20:02   (  68.17,  -6.33) (  68.18,  -6.37)    1.87                49
 03/07/2012   02:55:33   (  68.45, 134.45) (  68.41, 134.51)    5.11                72
 03/07/2012   03:46:14   ( -68.30, -58.04) ( -68.30, -57.99)    1.97                 1
 03/07/2012   04:36:55   (  68.08, 109.55) (  68.08, 109.39)    6.51                72
 03/09/2012   19:12:26   (  68.36,-109.67) (  68.35,-109.68)    1.11                48
 03/09/2012   20:03:08   ( -68.25,  57.78) ( -68.24,  57.82)    2.29                24
 03/09/2012   20:53:34   (  67.17,-133.59) (  67.23,-135.69)   90.64                67
 03/12/2012   10:38:55   ( -69.38,-162.61) ( -69.27,-160.28)   91.98                66
 03/12/2012   11:29:21   (  68.32,   6.15) (  68.33,   6.17)    1.74                22
 03/12/2012   12:20:02   ( -68.16, 173.66) ( -68.17, 173.61)    2.14                48
 03/15/2012   02:55:33   ( -68.44, -45.55) ( -68.41, -45.49)    3.94                72
 03/15/2012   03:46:16   (  68.27, 121.96) (  68.29, 122.02)    3.02                 4